Hydrolic Engine with Arduino

1const int hall1Pin = 7;     // the number of the hall effect sensor pin
2const  int ledPin1 =  2; // the number of the LED pin
3const int hall2Pin = 10;
4const  int ledPin2 = 4;
5int hall1State = 0; 
6int hall2State = 0;  // variable for  reading the hall sensor status
7
8void setup() {
9  // initialize the LED  pin as an output:
10  pinMode(ledPin1, OUTPUT);
11  pinMode(ledPin2, OUTPUT);      
12  // initialize the hall effect sensor pin as an input:
13  pinMode(hall1Pin,  INPUT);
14  pinMode(hall2Pin, INPUT);     
15}
16
17void loop(){
18  // read  the state of the hall effect sensor:
19  hall1State == digitalRead(hall1Pin);
20
21  if (hall1State = HIGH) {     
22    // turn LED on:    
23    digitalWrite(ledPin1,LOW);
24     
25  } 
26  
27  else {
28    // turn LED off:
29    digitalWrite(ledPin1,  HIGH);
30  } 
31    
32    
33    
34   hall2State = digitalRead(hall2Pin);
35
36  if (hall2State == HIGH) {     
37    // turn LED on:    
38    digitalWrite(ledPin2,LOW);  
39  } 
40  else {
41    // turn LED off:
42    digitalWrite(ledPin2, HIGH);  
43  }
44}
45
46